The Flying Beetle Glass Cutter is design for use with the Beetle Bits System (BeetleBits). It glides effortlessly back and forth on the straight edge bar. The cutting head is always at a 90 degree angle from the glass allowing for the perfect score every time. Simply press down on the button to engage the carbide cutting wheel with the glass. This cutter is made from impact resistant polycarbonate. The best part is that this cutter does not require oil, although it may be dipped in oil if you so desire. This cutter requires the Bettle bits system to glide on and make cuts.